Home / 12,077.05-18,121.37-6,233.66

Finding the Fourth Proportional to 12,077.05, 18,121.37 and 6,233.66

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Solution

The fourth proportional to 12,077.05, 18,121.37 and 6,233.66 is: 9,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.05 : 18,121.37 = 6,233.66 : x
  2. Step 2: Convert to fraction form
    12,077.05/18,121.37 = 6,233.66/x
  3. Step 3: Cross multiply
    12,077.05x = 18,121.37 × 6,233.66
  4. Step 4: Simplify right side
    12,077.05x = 112,962,440.56
  5. Step 5: Solve for x
    x = 112,962,440.56/12,077.05
  6. Step 6: Final answer
    x = 9,353.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.